package com.tedu._04mybatis.mapper;

import com.tedu._04mybatis.pojo.Comment;
import com.tedu._04mybatis.pojo.CommentVO1;
import com.tedu._04mybatis.pojo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {
    /*
    @Insert("INSERT INTO comment(content,created,weibo_id,user_id ) " +
            "VALUES(#{content},#{created},#{weiboId},#{userId})")
            */
    int insertComment(Comment comment);

    //@Delete("DELETE FROM comment WHERE id=#{id}")
    int deleteComment(Integer id);

    //@Update("UPDATE comment SET content=#{content},created=#{created} WHERE id=#{id}")
    int updateComment(Comment comment);

    /*
    @Select("SELECT content,user_id userId,weibo_id weiboId " +
            "FROM comment " +
            "WHERE id=#{id}")
            */
    CommentVO1 selectCommentById1(Integer id);

    /*
    @Select("SELECT content,user_id userId " +
            "FROM comment " +
            "WHERE weibo_id=#{weiboId}")
            */
    List<CommentVO2> selectCommentById2(Integer weiboId);
}